User's Manual
VT-M2M-LV
17/ 21
3.5.5 LED
PWR LED: lightindicatesystem power OK(main power up);offindicate system power turn off
Status LED: User can define by themself.
3.5.6SIM Card
Push the small button on the left of SIM Card Holder, and install the SIM card to the
holder. Then push the holder into the Slot.
3.5.7DEBUG
CONN,BOX,1x3x2.0,TH,JST,VERT(JST: B3B-PH-K-S(LF)(SN)), User can show the debug
message and use keyboardinput debug command.
Pin
Description
1
DGND
2
SUART2_RXD
3
SUART2_TXD
PIN1